If you want a fine cotton thread for piecing this is the one. 70wt on a 6000 yard spool. This is in Medium Grey.
YLI have come up with a lovely thin 70wt machine piecing thread which means your sharp points and corners don’t get so built up with thread. We carry all 8 of their Prime Piecing colours.
It’s not just for machine quilting – it makes a lovely, fine thread for hand piecing too.